@misc{indiciae686b53dc589d,
  title = {Zinc Deposits of the Mifflin-Cokerville Area of the Wisconsin Lead-Zinc District},
  author = {Allen F. Agnew and Allen V. Heyl},
  year = {1944},
  doi = {10.3133/ofr4424},
  url = {https://pubs.usgs.gov/publication/ofr4424},
  note = {Source identifier: ofr4424}
}